topic Mosaic dataset has white space when zoomed in to certain levels in ArcGIS Image Server Questions https://community.esri.com/t5/arcgis-image-server-questions/mosaic-dataset-has-white-space-when-zoomed-in-to/m-p/1552479#M1725 <P>I have an image mosaic of ~150 TIF files and when I mosaic them it works fine.&nbsp; But when I turn on the mask - 255, 255, 255 to show as no color, i get these strange white lines appearing.&nbsp; This only appears when I am zoomed out, but as I zoom in it seems to disappear.&nbsp; When I identify these spots, they are truly 255,255,255.&nbsp; How do i get rid of these.&nbsp; I have tried various tools, including, define overviews, build overviews, calculate statistics, and Define NoData.&nbsp; None of these options seem to fix the drawing issue.&nbsp; Any help is greatly appreciated.&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DarrylKlassen1_0-1729879691502.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/118155iBB7A4ED05E4865ED/image-size/medium?v=v2&amp;px=400" role="button" title="DarrylKlassen1_0-1729879691502.png" alt="DarrylKlassen1_0-1729879691502.png" /></span></P><P>&nbsp;</P> Fri, 25 Oct 2024 18:09:41 GMT DarrylKlassen1 2024-10-25T18:09:41Z Mosaic dataset has white space when zoomed in to certain levels https://community.esri.com/t5/arcgis-image-server-questions/mosaic-dataset-has-white-space-when-zoomed-in-to/m-p/1552479#M1725 <P>I have an image mosaic of ~150 TIF files and when I mosaic them it works fine.&nbsp; But when I turn on the mask - 255, 255, 255 to show as no color, i get these strange white lines appearing.&nbsp; This only appears when I am zoomed out, but as I zoom in it seems to disappear.&nbsp; When I identify these spots, they are truly 255,255,255.&nbsp; How do i get rid of these.&nbsp; I have tried various tools, including, define overviews, build overviews, calculate statistics, and Define NoData.&nbsp; None of these options seem to fix the drawing issue.&nbsp; Any help is greatly appreciated.&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DarrylKlassen1_0-1729879691502.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/118155iBB7A4ED05E4865ED/image-size/medium?v=v2&amp;px=400" role="button" title="DarrylKlassen1_0-1729879691502.png" alt="DarrylKlassen1_0-1729879691502.png" /></span></P><P>&nbsp;</P> Fri, 25 Oct 2024 18:09:41 GMT https://community.esri.com/t5/arcgis-image-server-questions/mosaic-dataset-has-white-space-when-zoomed-in-to/m-p/1552479#M1725 DarrylKlassen1 2024-10-25T18:09:41Z